18701600

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 46317348

約数和(自身を除く): 27615748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 241, 388, 400, 482, 485, 776, 800, 964, 970, 1205, 1552, 1928, 1940, 2410, 2425, 3104, 3856, 3880, 4820, 4850, 6025, 7712, 7760, 9640, 9700, 12050, 15520, 19280, 19400, 23377, 24100, 38560, 38800, 46754, 48200, 77600, 93508, 96400, 116885, 187016, 192800, 233770, 374032, 467540, 584425, 748064, 935080, 1168850, 1870160, 2337700, 3740320, 4675400, 9350800, 18701600]

約数ペア:

[(1, 18701600), (2, 9350800), (4, 4675400), (5, 3740320), (8, 2337700), (10, 1870160), (16, 1168850), (20, 935080), (25, 748064), (32, 584425), (40, 467540), (50, 374032), (80, 233770), (97, 192800), (100, 187016), (160, 116885), (194, 96400), (200, 93508), (241, 77600), (388, 48200), (400, 46754), (482, 38800), (485, 38560), (776, 24100), (800, 23377), (964, 19400), (970, 19280), (1205, 15520), (1552, 12050), (1928, 9700), (1940, 9640), (2410, 7760), (2425, 7712), (3104, 6025), (3856, 4850), (3880, 4820)]